[digikam] [Bug 372340] Tagged face areas on portait (vertical) oriented images are mispositioned

[Alexander Yavorsky]

https://bugs.kde.org/show_bug.cgi?id=372340

--- Comment #55 from Alexander Yavorsky  ---
(In reply to Maik Qualmann from comment #51)
> @Alexander, I suspect it crashes in QWebEngine. Which graphics card and
> drivers do you use? Gilles, is it correct that the AppImage now uses
> QWebEngine?
> 
> Maik

I did a little investigation: it looks like the issue is with drivers other
than nvidia's proprietary drivers:
On a laptop with hybrid graphics beta 2 only starts when the nvidia card is
used forced (optirun ./digikam-7.0.0-beta2-...)
On a PC with an Nvidia card, it was possible to launch beta2 only after
replacing the Nouveau driver with a proprietary Nvidia driver.

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[digikam] [Bug 372340] Tagged face areas on portait (vertical) oriented images are mispositioned

[Maik Qualmann]

https://bugs.kde.org/show_bug.cgi?id=372340

--- Comment #54 from Maik Qualmann  ---
@Alexandre Belz, my question went to @Alexander Yavorsky about the crash. You
are on Windows, we still use QWebkit there and are not affected by the possible
problem.

Maik

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[digikam] [Bug 372340] Tagged face areas on portait (vertical) oriented images are mispositioned

[Alexandre Belz]

https://bugs.kde.org/show_bug.cgi?id=372340

--- Comment #53 from Alexandre Belz  ---
Hi Maik,
I use 2x laptops with integrated Intel graphics chip.
on the one I'm using today, It's running Intel Graphics 520 with driver
v26.20.100.6888

FRom digikam, I can also se the versions :
digikam version 7.0.0-beta2
CPU cores: 4
Eigen: 3.3.7
Exiv2: 0.27.2
Exiv2 can write to Jp2: Yes
Exiv2 can write to Jpeg: Yes
Exiv2 can write to Pgf: Yes
Exiv2 can write to Png: Yes
Exiv2 can write to Tiff: Yes
Exiv2 supports XMP metadata: Yes
HEIF encoding support: Yes
ImageMagick codecs: 7.0.8
KF5: 5.65.0
LensFun: 0.3.95-0
LibCImg: 130
LibJPEG: 90
LibJasper: 2.0.16
LibLCMS: 2090
LibLqr support: No
LibPGF: 7.19.03
LibPNG: 1.6.37
LibRaw: 0.20.0
LibTIFF: 4.1.0
Marble: 0.27.20
Parallelized demosaicing: No
Qt: 5.14.0
Qt Webkit support: Yes
VKontakte support: No
AkonadiContact support: No
Baloo support: No
Calendar support: Yes
DBus support: No
Database backend: QSQLITE
HTML Gallery support: Yes
LibAVCodec: 58.54.100
LibAVFormat: 58.29.100
LibAVUtil: 56.31.100
LibGphoto2 support: No
LibOpenCV: 3.4.9
LibQtAV: 1.13.0
Media player support: Yes
Panorama support: Yes

Just tell me if you need a complete Windows report from "System Information".

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[digikam] [Bug 372340] Tagged face areas on portait (vertical) oriented images are mispositioned

[bugzilla_noreply]

https://bugs.kde.org/show_bug.cgi?id=372340

--- Comment #52 from caulier.gil...@gmail.com ---
yes correct... Qtwebengine is used in Appimage and macos PKG now...

Gilles

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[digikam] [Bug 372340] Tagged face areas on portait (vertical) oriented images are mispositioned

[Maik Qualmann]

https://bugs.kde.org/show_bug.cgi?id=372340

--- Comment #51 from Maik Qualmann  ---
@Alexander, I suspect it crashes in QWebEngine. Which graphics card and drivers
do you use? Gilles, is it correct that the AppImage now uses QWebEngine?

Maik

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[digikam] [Bug 372340] Tagged face areas on portait (vertical) oriented images are mispositioned

[Alexandre Belz]

https://bugs.kde.org/show_bug.cgi?id=372340

--- Comment #50 from Alexandre Belz  ---
Thanks Gilles. 
I will test using the debug version then. ;)

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[digikam] [Bug 372340] Tagged face areas on portait (vertical) oriented images are mispositioned

[Alexander Yavorsky]

https://bugs.kde.org/show_bug.cgi?id=372340

--- Comment #49 from Alexander Yavorsky  ---
(In reply to caulier.gilles from comment #44)
> You can try with Linux AppImage 7.0.0-beta2 available here :
> 
> https://files.kde.org/digikam/
> 
> Gilles Caulier

Unfortunately beta2 crashes in arch (beta1 works perfectly):

walker@ArchLinuxG700 ~ % LANGUAGE=en_EN.UTF-8
./Applications/digikam-7.0.0-beta2-20200120T081221-x86-64_fcfd171ffeb786048bdf3d4068f8fc39.appimage
 
-- digiKam Linux AppImage Bundle
-- Use 'help' as CLI argument to know all available options for digiKam
application.
-- Notes: to integrate this bundle to your desktop, use AppImageLauncher.
--to enable all debug messages on the console, use 'export
QT_LOGGING_RULES="digikam*=true"'.
libudev.so.0 
/tmp/.mount_digikanSq5Q9/AppRun: line 16: arch: command not found
-- Preloading shared libs: 
unknown: qglx_findConfig: Failed to finding matching FBConfig for
QSurfaceFormat(version 2.0, options QFlags(),
depthBufferSize -1, redBufferSize 1, greenBufferSize 1, blueBufferSize 1,
alphaBufferSize -1, stencilBufferSize -1, samples -1, swapBehavior
QSurfaceFormat::SingleBuffer, swapInterval 1, colorSpace
QSurfaceFormat::DefaultColorSpace, profile  QSurfaceFormat::NoProfile)
unknown: qglx_findConfig: Failed to finding matching FBConfig for
QSurfaceFormat(version 2.0, options QFlags(),
depthBufferSize -1, redBufferSize 1, greenBufferSize 1, blueBufferSize 1,
alphaBufferSize -1, stencilBufferSize -1, samples -1, swapBehavior
QSurfaceFormat::SingleBuffer, swapInterval 1, colorSpace
QSurfaceFormat::DefaultColorSpace, profile  QSurfaceFormat::NoProfile)
unknown: Could not initialize GLX
/tmp/.mount_digikanSq5Q9/AppRun: line 155:  2360 Aborted (core
dumped) digikam $@

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[digikam] [Bug 372340] Tagged face areas on portait (vertical) oriented images are mispositioned

[bugzilla_noreply]

https://bugs.kde.org/show_bug.cgi?id=372340

--- Comment #48 from caulier.gil...@gmail.com ---
debug vs non debug => look in README file, near bundles files :

http://www-ftp.lip6.fr/pub/X11/kde-applicationdata/digikam/README

Gilles Caulier

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[digikam] [Bug 372340] Tagged face areas on portait (vertical) oriented images are mispositioned

[Alexandre Belz]

https://bugs.kde.org/show_bug.cgi?id=372340

--- Comment #47 from Alexandre Belz  ---
Great news ! :)
Thanks to the dev team !
I will also test with latest Windows64 release...

One question : what is the difference between 
- digiKam-7.0.0-beta2-20200120T031953-Win64.exe
- digiKam-7.0.0-beta2-20200120T033452-Win64-debug.exe
?

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[digikam] [Bug 372340] Tagged face areas on portait (vertical) oriented images are mispositioned

[MarcP]

https://bugs.kde.org/show_bug.cgi?id=372340

--- Comment #46 from MarcP  ---
I am so glad it could be sorted out.

I'll try it as soon as the next built is released.

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[digikam] [Bug 372340] Tagged face areas on portait (vertical) oriented images are mispositioned

[bugzilla_noreply]

https://bugs.kde.org/show_bug.cgi?id=372340

--- Comment #45 from caulier.gil...@gmail.com ---
Note : Linux AppImage will be updated with last Maik fix only monday morning,
not before. Windows and MacOS are already up-to date.

Gilles Caulier

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[digikam] [Bug 372340] Tagged face areas on portait (vertical) oriented images are mispositioned

[bugzilla_noreply]

https://bugs.kde.org/show_bug.cgi?id=372340

--- Comment #44 from caulier.gil...@gmail.com ---
You can try with Linux AppImage 7.0.0-beta2 available here :

https://files.kde.org/digikam/

Gilles Caulier

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[digikam] [Bug 372340] Tagged face areas on portait (vertical) oriented images are mispositioned

[David Griffithd]

https://bugs.kde.org/show_bug.cgi?id=372340

--- Comment #43 from David Griffithd  ---
Many thanks. Presumably I need to update my  program?

David

From: Maik Qualmann 
Sent: Sunday, January 19, 2020 8:46:00 AM
To: dm.griffi...@hotmail.co.uk 
Subject: [digikam] [Bug 372340] Tagged face areas on portait (vertical)
oriented images are mispositioned

https://bugs.kde.org/show_bug.cgi?id=372340

--- Comment #42 from Maik Qualmann  ---
Note: The metadata must be read from the image again so that the face
rectangles are displayed correctly. To do this, the function to clean up the
metadata in the database must be activated temporarily in the digiKam metadata
settings in order to remove the old face rectangles from the database.

Maik

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[digikam] [Bug 372340] Tagged face areas on portait (vertical) oriented images are mispositioned

[Maik Qualmann]

https://bugs.kde.org/show_bug.cgi?id=372340

--- Comment #42 from Maik Qualmann  ---
Note: The metadata must be read from the image again so that the face
rectangles are displayed correctly. To do this, the function to clean up the
metadata in the database must be activated temporarily in the digiKam metadata
settings in order to remove the old face rectangles from the database.

Maik

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[digikam] [Bug 372340] Tagged face areas on portait (vertical) oriented images are mispositioned

[Maik Qualmann]

https://bugs.kde.org/show_bug.cgi?id=372340

Maik Qualmann  changed:

   What|Removed |Added

 Resolution|--- |FIXED
 Status|REOPENED|RESOLVED
  Latest Commit|https://commits.kde.org/dig |https://invent.kde.org/kde/
   |ikam/dc7ee21f97cc80b9938854 |digikam/commit/32bb16fee6b2
   |87c3c324ebe0d8d2c4  |676b30bf843bf3e083a23084cd3
   ||d
   Version Fixed In||7.0.0

--- Comment #41 from Maik Qualmann  ---
Git commit 32bb16fee6b2676b30bf843bf3e083a23084cd3d by Maik Qualmann.
Committed on 19/01/2020 at 08:37.
Pushed by mqualmann into branch 'master'.

read and write not aligned face metadata from image
FIXED-IN: 7.0.0

M  +2-1NEWS
M  +7-4core/libs/database/item/scanner/itemscanner_photo.cpp
M  +3-29   core/libs/fileactionmanager/metadatahub.cpp
M  +0-6core/libs/fileactionmanager/metadatahub.h
M  +6-5core/utilities/imageeditor/main/imagewindow.cpp

https://invent.kde.org/kde/digikam/commit/32bb16fee6b2676b30bf843bf3e083a23084cd3d

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[digikam] [Bug 372340] Tagged face areas on portait (vertical) oriented images are mispositioned

[David Griffithd]

https://bugs.kde.org/show_bug.cgi?id=372340

--- Comment #40 from David Griffithd  ---
Maik

Thanks for letting me know

Regards
David

From: Maik Qualmann 
Sent: Friday, January 10, 2020 4:42:57 PM
To: dm.griffi...@hotmail.co.uk 
Subject: [digikam] [Bug 372340] Tagged face areas on portait (vertical)
oriented images are mispositioned

https://bugs.kde.org/show_bug.cgi?id=372340

--- Comment #39 from Maik Qualmann  ---
The problem has not yet been resolved. The code for this is under development.

Maik

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[digikam] [Bug 372340] Tagged face areas on portait (vertical) oriented images are mispositioned

[Maik Qualmann]

https://bugs.kde.org/show_bug.cgi?id=372340

--- Comment #39 from Maik Qualmann  ---
The problem has not yet been resolved. The code for this is under development.

Maik

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[digikam] [Bug 372340] Tagged face areas on portait (vertical) oriented images are mispositioned

[David Griffithd]

https://bugs.kde.org/show_bug.cgi?id=372340

--- Comment #38 from David Griffithd  ---
Thank you. I will load beta version and feedback.

David

From: Alexander Yavorsky 
Sent: Thursday, January 9, 2020 3:41:39 PM
To: dm.griffi...@hotmail.co.uk 
Subject: [digikam] [Bug 372340] Tagged face areas on portait (vertical)
oriented images are mispositioned

https://bugs.kde.org/show_bug.cgi?id=372340

--- Comment #37 from Alexander Yavorsky  ---
(In reply to caulier.gilles from comment #32)
> 7.0.0-beta1 is out with new Face Recognition algorithm based on Deep
> Learning/Neural Network API from OpenCV
> Please test and give us a feedback

This issue does not depend on the face recognition mechanism; it is a
consequence of improper handling of face rectangles positions in images rotated
by the rotation flag in the metadata.

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[digikam] [Bug 372340] Tagged face areas on portait (vertical) oriented images are mispositioned

[Alexander Yavorsky]

https://bugs.kde.org/show_bug.cgi?id=372340

--- Comment #37 from Alexander Yavorsky  ---
(In reply to caulier.gilles from comment #32)
> 7.0.0-beta1 is out with new Face Recognition algorithm based on Deep
> Learning/Neural Network API from OpenCV
> Please test and give us a feedback

This issue does not depend on the face recognition mechanism; it is a
consequence of improper handling of face rectangles positions in images rotated
by the rotation flag in the metadata.

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[digikam] [Bug 372340] Tagged face areas on portait (vertical) oriented images are mispositioned

[Maik Qualmann]

https://bugs.kde.org/show_bug.cgi?id=372340

--- Comment #36 from Maik Qualmann  ---
Git commit b94b6abd32d733c6eca7be564584fe1ae2785a2b by Maik Qualmann.
Committed on 06/01/2020 at 21:13.
Pushed by mqualmann into branch 'master'.

we need the orientation from DImg for later

M  +5-0core/libs/dimg/dimg.h
M  +4-1core/libs/dimg/dimg_p.h
M  +7-0core/libs/dimg/dimg_transform.cpp

https://invent.kde.org/kde/digikam/commit/b94b6abd32d733c6eca7be564584fe1ae2785a2b

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[digikam] [Bug 372340] Tagged face areas on portait (vertical) oriented images are mispositioned

[Maik Qualmann]

https://bugs.kde.org/show_bug.cgi?id=372340

Maik Qualmann  changed:

   What|Removed |Added

 CC||dm.griffi...@hotmail.co.uk

--- Comment #35 from Maik Qualmann  ---
*** Bug 415941 has been marked as a duplicate of this bug. ***

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[digikam] [Bug 372340] Tagged face areas on portait (vertical) oriented images are mispositioned

[Alexandre Belz]

https://bugs.kde.org/show_bug.cgi?id=372340

--- Comment #34 from Alexandre Belz  ---
Hello Maik, Gilles,
can i help on testing a possible new SW based on 7.0 beta ?

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[digikam] [Bug 372340] Tagged face areas on portait (vertical) oriented images are mispositioned

[Dan Kozlowski]

https://bugs.kde.org/show_bug.cgi?id=372340

Dan Kozlowski  changed:

   What|Removed |Added

 CC||cartman...@gmail.com

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[digikam] [Bug 372340] Tagged face areas on portait (vertical) oriented images are mispositioned

[Maik Qualmann]

https://bugs.kde.org/show_bug.cgi?id=372340

--- Comment #33 from Maik Qualmann  ---
*** Bug 415550 has been marked as a duplicate of this bug. ***

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[digikam] [Bug 372340] Tagged face areas on portait (vertical) oriented images are mispositioned

[bugzilla_noreply]

https://bugs.kde.org/show_bug.cgi?id=372340

--- Comment #32 from caulier.gil...@gmail.com ---
7.0.0-beta1 is out with new Face Recognition algorithm based on Deep
Learning/Neural Network API from OpenCV

https://download.kde.org/unstable/digikam/

Please test and give us a feedback

Thanks in advance
Gilles Caulier

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[digikam] [Bug 372340] Tagged face areas on portait (vertical) oriented images are mispositioned

[Maik Qualmann]

https://bugs.kde.org/show_bug.cgi?id=372340

Maik Qualmann  changed:

   What|Removed |Added

 CC||andreas.jans...@home.se

--- Comment #31 from Maik Qualmann  ---
*** Bug 413926 has been marked as a duplicate of this bug. ***

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[digikam] [Bug 372340] Tagged face areas on portait (vertical) oriented images are mispositioned

[Alexandre Belz]

https://bugs.kde.org/show_bug.cgi?id=372340

--- Comment #30 from Alexandre Belz  ---
Ok, thanks Maik.
Do you think it can be managed in 7.0 ?

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[digikam] [Bug 372340] Tagged face areas on portait (vertical) oriented images are mispositioned

[Maik Qualmann]

https://bugs.kde.org/show_bug.cgi?id=372340

--- Comment #29 from Maik Qualmann  ---
Yes, it is known that digiKam mistreats the face rotation. I had already
corrected it. However, since digiKam has been treating it like this since the
very beginning, all longtime users are facing a problem. So we first have to
write a converter that corrects all images.

Maik

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[digikam] [Bug 372340] Tagged face areas on portait (vertical) oriented images are mispositioned

[Alexandre Belz]

https://bugs.kde.org/show_bug.cgi?id=372340

--- Comment #28 from Alexandre Belz  ---
(I'm using latest weekly build 6.4)

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[digikam] [Bug 372340] Tagged face areas on portait (vertical) oriented images are mispositioned

[Alexandre Belz]

https://bugs.kde.org/show_bug.cgi?id=372340

--- Comment #27 from Alexandre Belz  ---
I have the same issue !

People correctly detected by Picasa, but Wrongly displayed by Digikam (the
square is not correctly located) especially on rotated pictures.

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[digikam] [Bug 372340] Tagged face areas on portait (vertical) oriented images are mispositioned

[Andy Gavin]

https://bugs.kde.org/show_bug.cgi?id=372340

--- Comment #26 from Andy Gavin  ---
ahhh I was excited when I saw this on the 6.2 bugfix list

"022 ==> 407262 - Face tagging doesn't work with rotation".

but its not had an impact on the this issue. I deleted my DB and started a
fresh one but a lot of the portrait photos still have the face boxes in the
wrong place after reading my Picassa managed photos.

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[digikam] [Bug 372340] Tagged face areas on portait (vertical) oriented images are mispositioned

[Maik Qualmann]

https://bugs.kde.org/show_bug.cgi?id=372340

Maik Qualmann  changed:

   What|Removed |Added

   Assignee|chandra.kant.ee...@itbhu.ac |digikam-bugs-n...@kde.org
   |.in |

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[digikam] [Bug 372340] Tagged face areas on portait (vertical) oriented images are mispositioned

[DewVinci]

https://bugs.kde.org/show_bug.cgi?id=372340

--- Comment #25 from DewVinci  ---
This problem also occurs for faces tagged by Lightroom (not just Picasa).

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[digikam] [Bug 372340] Tagged face areas on portait (vertical) oriented images are mispositioned

[DewVinci]

https://bugs.kde.org/show_bug.cgi?id=372340

DewVinci  changed:

   What|Removed |Added

Version|6.0.0   |6.1.0
 CC||dewvi...@gmail.com

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[digikam] [Bug 372340] Tagged face areas on portait (vertical) oriented images are mispositioned

[Andy Gavin]

https://bugs.kde.org/show_bug.cgi?id=372340

Andy Gavin  changed:

   What|Removed |Added

 CC||registrati...@andygavin.co.
   ||uk

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[digikam] [Bug 372340] Tagged face areas on portait (vertical) oriented images are mispositioned

[Maik Qualmann]

https://bugs.kde.org/show_bug.cgi?id=372340

Maik Qualmann  changed:

   What|Removed |Added

 CC||alexandre.b...@live.fr

--- Comment #24 from Maik Qualmann  ---
*** Bug 406971 has been marked as a duplicate of this bug. ***

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[digikam] [Bug 372340] Tagged face areas on portait (vertical) oriented images are mispositioned

[Maik Qualmann]

https://bugs.kde.org/show_bug.cgi?id=372340

--- Comment #23 from Maik Qualmann  ---
Git commit f3b5cd5a263b720d470d9eec6e46edd62fbf2ffa by Maik Qualmann.
Committed on 29/03/2019 at 20:54.
Pushed by mqualmann into branch 'master'.

revert the patch for the time being
We completely break the behavior to previous versions of digikam.

M  +6-6core/utilities/facemanagement/facegroup.cpp

https://commits.kde.org/digikam/f3b5cd5a263b720d470d9eec6e46edd62fbf2ffa

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[digikam] [Bug 372340] Tagged face areas on portait (vertical) oriented images are mispositioned

[Maik Qualmann]

https://bugs.kde.org/show_bug.cgi?id=372340

Maik Qualmann  changed:

   What|Removed |Added

 Status|RESOLVED|REOPENED
 Resolution|FIXED   |---
   Version Fixed In|6.1.0   |
 CC||metzping...@gmail.com

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[digikam] [Bug 372340] Tagged face areas on portait (vertical) oriented images are mispositioned

[Maik Qualmann]

https://bugs.kde.org/show_bug.cgi?id=372340

Maik Qualmann  changed:

   What|Removed |Added

   Version Fixed In||6.1.0
  Latest Commit||https://commits.kde.org/dig
   ||ikam/dc7ee21f97cc80b9938854
   ||87c3c324ebe0d8d2c4
 Resolution|--- |FIXED
 Status|REOPENED|RESOLVED

--- Comment #22 from Maik Qualmann  ---
Git commit dc7ee21f97cc80b993885487c3c324ebe0d8d2c4 by Maik Qualmann.
Committed on 22/03/2019 at 22:11.
Pushed by mqualmann into branch 'master'.

fix wrong positions of the face areas depending on the orientation
FIXED-IN: 6.1.0

M  +2-1NEWS
M  +37   -23   core/libs/fileactionmanager/fileworkeriface.cpp
M  +1-1core/libs/fileactionmanager/fileworkeriface.h
M  +108  -5core/utilities/facemanagement/facegroup.cpp
M  +1-0core/utilities/facemanagement/facegroup.h

https://commits.kde.org/digikam/dc7ee21f97cc80b993885487c3c324ebe0d8d2c4

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[digikam] [Bug 372340] Tagged face areas on portait (vertical) oriented images are mispositioned

[bugzilla_noreply]

https://bugs.kde.org/show_bug.cgi?id=372340

--- Comment #21 from caulier.gil...@gmail.com ---
Chandra,

Please stop to spam all face management bugzilla entries, if you don't check
in-deep the technical issues. This is not like this that you will retained to
GoSC 2019 !

Gilles Caulier

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[digikam] [Bug 372340] Tagged face areas on portait (vertical) oriented images are mispositioned

[bugzilla_noreply]

https://bugs.kde.org/show_bug.cgi?id=372340

--- Comment #20 from kde-b...@debdan.net ---
Chandra, this bug is not about face detection, its about meta data only. Region
could be anything.
The bug is about the wrong placement/highlighting of region meta data, read
from non-portrait oriented image files.

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[digikam] [Bug 372340] Tagged face areas on portait (vertical) oriented images are mispositioned

[Chandra Kant]

https://bugs.kde.org/show_bug.cgi?id=372340

--- Comment #19 from Chandra Kant  ---
After having model of faces trained and enhanced image of face we want to
recognize. Tricky part here is determining when the face is new (not in
training set) and when it is recognized properly. So we can creat some sort of
treshold for distance .

int predictedLabel = -1;
double predicted_confidence = 0.0;
model->set("threshold", treshold);
model->predict(croppedImage, predictedLabel, predicted_confidence);

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[digikam] [Bug 372340] Tagged face areas on portait (vertical) oriented images are mispositioned

[Chandra Kant]

https://bugs.kde.org/show_bug.cgi?id=372340

--- Comment #18 from Chandra Kant  ---
We can rotate face by this function
void rotate(cv::Mat& src, double angle, cv::Mat& dst)
{
  int len = max(src.cols, src.rows);
  cv::Point2f pt(len / 2., len / 2.);
  cv::Mat r = cv::getRotationMatrix2D(pt, angle, 1.0);
  cv::warpAffine(src, dst, r, cv::Size(len, len));
}
So that we can improve face detection by aligning faces.

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[digikam] [Bug 372340] Tagged face areas on portait (vertical) oriented images are mispositioned

[Chandra Kant]

https://bugs.kde.org/show_bug.cgi?id=372340

--- Comment #17 from Chandra Kant  ---
The main idea  is to compute vertical and horizontal sobel for nose part and
find the angle between them. Then to determine which angle is dominant with
help of histogram and  use its peak value in finding the best rotation of face.
This part can be improved by normalizing the histogram on start and then using
just values from one face rotation angle to determine the angle between
vertical position and current angle.

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[digikam] [Bug 372340] Tagged face areas on portait (vertical) oriented images are mispositioned

[Chandra Kant]

https://bugs.kde.org/show_bug.cgi?id=372340

--- Comment #16 from Chandra Kant  ---
I think for this issue -the more aligned faces are the better face recognition
results are.So we need to convert the image to greyscale.Then we can rotate
face to vertical position so it is aligned perfectly. we can do this by
computing height difference between the eyes and when eyes are shut we can use
histogram of oriented gradients for nose to get its orientation. First thing
first we need to find eyes on picture. we can crop the image to just the face
part so the classifier has easier job finding eyes and doesn’t throw false
positives.

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[digikam] [Bug 372340] Tagged face areas on portait (vertical) oriented images are mispositioned

[Chandra Kant]

https://bugs.kde.org/show_bug.cgi?id=372340

--- Comment #15 from Chandra Kant  ---
Yes i am trying to resolve this issue.

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[digikam] [Bug 372340] Tagged face areas on portait (vertical) oriented images are mispositioned

[bugzilla_noreply]

https://bugs.kde.org/show_bug.cgi?id=372340

caulier.gil...@gmail.com changed:

   What|Removed |Added

 Resolution|FIXED   |---
 Status|RESOLVED|REOPENED

--- Comment #14 from caulier.gil...@gmail.com ---
You cannot close this file only you check with one file. I'm wure that nothing
have been done around this topic in source code...

Maik can you confirm this ?

Gilles Caulier

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[digikam] [Bug 372340] Tagged face areas on portait (vertical) oriented images are mispositioned

[Chandra Kant]

https://bugs.kde.org/show_bug.cgi?id=372340

Chandra Kant  changed:

   What|Removed |Added

 Resolution|--- |FIXED
 Status|CONFIRMED   |RESOLVED

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[digikam] [Bug 372340] Tagged face areas on portait (vertical) oriented images are mispositioned

[Chandra Kant]

https://bugs.kde.org/show_bug.cgi?id=372340

Chandra Kant  changed:

   What|Removed |Added

 CC||chandra.kant.ee...@itbhu.ac
   ||.in
 Ever confirmed|0   |1
 Status|REPORTED|CONFIRMED
   Assignee|digikam-bugs-n...@kde.org   |chandra.kant.ee...@itbhu.ac
   ||.in

--- Comment #13 from Chandra Kant  ---
Created attachment 118486
  --> https://bugs.kde.org/attachment.cgi?id=118486=edit
I am here attaching a photo showing that face tags are working absolutely fine
in Digican version 6.0.0

In Bug 372340 ,face tags are working absolutely fine in Digicam 6.0.0

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[digikam] [Bug 372340] Tagged face areas on portait (vertical) oriented images are mispositioned

[bugzilla_noreply]

https://bugs.kde.org/show_bug.cgi?id=372340

caulier.gil...@gmail.com changed:

   What|Removed |Added

Version|5.4.0   |6.0.0

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[digikam] [Bug 372340] Tagged face areas on portait (vertical) oriented images are mispositioned

[bugzilla_noreply]

https://bugs.kde.org/show_bug.cgi?id=372340

kde-b...@debdan.net changed:

   What|Removed |Added

 CC||kde-b...@debdan.net

--- Comment #12 from kde-b...@debdan.net ---
I tested it with current Digikam 6.0.0-beta3 and the bug is still there:

This shows the problem:

$ convert -size 400x240 xc:skyblue -fill white -stroke black -draw "rectangle
80, 40 320,200" draw_rect.jpg
$ exiftool -n -Orientation=1 -XMP-mwg-rs:RegionAppliedToDimensionsH=240
-XMP-mwg-rs:RegionAppliedToDimensionsW=400
-XMP-mwg-rs:RegionAppliedToDimensionsUnit=pixel
-XMP-mwg-rs:RegionAreaUnit=normalized -XMP-mwg-rs:RegionName=John
-XMP-mwg-rs:RegionType=Face -XMP-mwg-rs:RegionAreaX=0.5
-XMP-mwg-rs:RegionAreaY=0.5 -XMP-mwg-rs:RegionAreaW=0.62
-XMP-mwg-rs:RegionAreaH=0.7 draw_rect.jpg

The location of the face area stays the same if the orientation is changed to
something different from top,left:

$ exiftool -n -Orientation=8 draw_rect.jpg

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[digikam] [Bug 372340] Tagged face areas on portait (vertical) oriented images are mispositioned

[bugzilla_noreply]

https://bugs.kde.org/show_bug.cgi?id=372340

--- Comment #11 from caulier.gil...@gmail.com ---
Instead to test with 5.9.0, it's better to test with 6.0.0 pre-release where
few improvement have been done in this area. Files are here :

https://files.kde.org/digikam/

Gilles Caulier

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[digikam] [Bug 372340] Tagged face areas on portait (vertical) oriented images are mispositioned

[Matias]

https://bugs.kde.org/show_bug.cgi?id=372340

Matias  changed:

   What|Removed |Added

 CC||k...@matiascuenca.com.ar

--- Comment #10 from Matias  ---
I just want to report that this problem still exists (5.9.0 win) and how to get
around it. The problem seem to be that Picasa always writes the faces areas
with respect to the physical orientation without accounting for the EXIF
orientation tag. 

What I did in order to import my Picasa collection into DigiKam was
1- Configure DigiKam to read face tags and do not rotate based on EXIF
orientation
2- Added the Picasa tagged directories to the DB (all the face metadata was
already embedded on the XMP tags and not on the picasa.ini)
3- Create a couple of searches in DigiKam to filter landscape pictures that had
a rotated left or rotated right EXIF tag.
4- On those pictures I did a "Adjust EXIF orientation tag to NORMAL"
5- I manual rotated the picture (in batch). 

The key to this solution is this last step where DigiKam not only rotates the
image but it also rotates the areas for the faces.

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[digikam] [Bug 372340] Tagged face areas on portait (vertical) oriented images are mispositioned

[Maik Qualmann]

https://bugs.kde.org/show_bug.cgi?id=372340

Maik Qualmann  changed:

   What|Removed |Added

 CC||iwannaber...@gmail.com

--- Comment #9 from Maik Qualmann  ---
*** Bug 395243 has been marked as a duplicate of this bug. ***

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[digikam] [Bug 372340] Tagged face areas on portait (vertical) oriented images are mispositioned

[Andreas Seifert]

https://bugs.kde.org/show_bug.cgi?id=372340

Andreas Seifert  changed:

   What|Removed |Added

 CC||aseif...@t-online.de

--- Comment #8 from Andreas Seifert  ---
I also use Picasa as the 2nd program. 
It seems the problem exists with digicam 5.6.0 (Windows).

My pictures are not twisted. I use only the Exif orientation tag to display the
image in the right orientation. 
In this case the picasa face-frames are not twisted with the image on portrait
oriented images. 
The frame-position is the position on the untwisted image.

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[digikam] [Bug 372340] Tagged face areas on portait (vertical) oriented images are mispositioned

[bugzilla_noreply]

https://bugs.kde.org/show_bug.cgi?id=372340

caulier.gil...@gmail.com changed:

   What|Removed |Added

  Component|Faces-Engine|Faces-Workflow

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[digikam] [Bug 372340] Tagged face areas on portait (vertical) oriented images are mispositioned

[bugzilla_noreply]

https://bugs.kde.org/show_bug.cgi?id=372340

caulier.gil...@gmail.com changed:

   What|Removed |Added

  Component|Metadata|Faces-Engine

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[digikam] [Bug 372340] Tagged face areas on portait (vertical) oriented images are mispositioned

[Maik Qualmann]

https://bugs.kde.org/show_bug.cgi?id=372340

Maik Qualmann  changed:

   What|Removed |Added

 CC||philsweene...@gmail.com

--- Comment #7 from Maik Qualmann  ---
*** Bug 377628 has been marked as a duplicate of this bug. ***

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[digikam] [Bug 372340] Tagged face areas on portait (vertical) oriented images are mispositioned

[Maik Qualmann]

https://bugs.kde.org/show_bug.cgi?id=372340

Maik Qualmann  changed:

   What|Removed |Added

 CC||str...@blackdogit.co.uk

--- Comment #6 from Maik Qualmann  ---
*** Bug 378456 has been marked as a duplicate of this bug. ***

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[digikam] [Bug 372340] Tagged face areas on portait (vertical) oriented images are mispositioned

[Alan B .]

https://bugs.kde.org/show_bug.cgi?id=372340

Alan B.  changed:

   What|Removed |Added

 CC||abrow...@hotmail.com

--- Comment #5 from Alan B.  ---
I'm also looking to replace Picasa with DigiKam and have hit the same issue.

Looking at the import code the issue appears to be that DigiKam expects the
coordinates relative to the oriented image and not the unoriented image.
https://api.kde.org/extragear-api/graphics-apidocs/digikam/html/dmetadata_8cpp_source.html
  line 1641 etc.

The spec. for MWG states that the region is as per the unoriented image. 
http://www.metadataworkinggroup.com/specs/

If the DigiKam face rectangle/region is relative to the oriented image then the
coordinates need adjusting accordingly.
http://u88.n24.queensu.ca/exiftool/forum/index.php/topic,6354.msg32155.html#msg32155

Can you confirm that DigiKam stores it's face rectangles/region relative to the
oriented image?

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[digikam] [Bug 372340] Tagged face areas on portait (vertical) oriented images are mispositioned

[bugzilla_noreply]

https://bugs.kde.org/show_bug.cgi?id=372340

caulier.gil...@gmail.com changed:

   What|Removed |Added

Version|unspecified |5.4.0

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[digikam] [Bug 372340] Tagged face areas on portait (vertical) oriented images are mispositioned

[Alexander Yavorsky]

https://bugs.kde.org/show_bug.cgi?id=372340

--- Comment #4 from Alexander Yavorsky  ---
Unfortunately the same with the last AppImage bundle. I have 
re-read metadata from image, but it doesn't help.

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[digikam] [Bug 372340] Tagged face areas on portait (vertical) oriented images are mispositioned

[bugzilla_noreply]

https://bugs.kde.org/show_bug.cgi?id=372340

--- Comment #3 from caulier.gil...@gmail.com ---
Can you reproduce the problem using digiKam Linux AppImage bundle ? The last
bundle is available at this url:

https://drive.google.com/drive/folders/0BzeiVr-byqt5Y0tIRWVWelRJenM

Gilles Caulier

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[digikam] [Bug 372340] Tagged face areas on portait (vertical) oriented images are mispositioned

[bugzilla_noreply]

https://bugs.kde.org/show_bug.cgi?id=372340

caulier.gil...@gmail.com changed:

   What|Removed |Added

 CC||caulier.gil...@gmail.com

--- Comment #1 from caulier.gil...@gmail.com ---
Can you share some picture processed with Picassa to investigate. Sound like
face tags are miss-interpreted in metadata parser while importing.

Gilles Caulier

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